The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2025
Filed:
May. 26, 2021
Sony Group Corporation, Tokyo, JP;
Yasunobu Murata, Tokyo, JP;
Kohei Asada, Tokyo, JP;
SONY GROUP CORPORATION, Tokyo, JP;
Abstract
Provided is a signal processing apparatus including an acquisition unit that acquires an acoustic characteristic in a user's ear, isolated from the outside world and an NC filter unit that generates sound data having a phase opposite to an ambient sound leaking into the user's ear. The signal processing apparatus further includes a correction unit that corrects the sound data by using a correction filter and a determination unit that determines a filter coefficient of the correction filter based on the acoustic characteristic.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile